Positive Locking Breather; Valve Covers w/1.22 in. Dia. Holes; Stamped Style; Internal Stainless Steel Baffling; Incl. Tube For 0.75 in. Hose/Mounting Hardware/Viton® Gasket; Stamped Style Fits: All valve covers with 1-1/4" holes • Meets rule requirement for cars running 7.99 E.T. and quicker • Threaded tube with collar mounts from inside valve cover through 1-1/4" opening breather screws into the tube for secure attachment • Viton gasket resists oil, alcohol and race fuel to form airtight seal • Jam nuts allow breather to be positioned to suit plumbing requirements • Internal stainless steel baffling keeps oil/air separated • Clear finish resists rust • Includes all mounting hardware one per pack Not legal for sale or use on pollution-controlled vehicles